Created
September 10, 2016 02:41
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LazyMan
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function _LazyMan(name) { | |
this.tasks = []; | |
var self = this; | |
var fn =(function(n){ | |
var name = n; | |
return function(){ | |
console.log("Hi! This is " + name + "!"); | |
self.next(); | |
} | |
})(name); | |
this.tasks.push(fn); | |
setTimeout(function(){ | |
self.next(); | |
}, 0); // 在下一个事件循环启动任务 | |
} | |
/* 事件调度函数 */ | |
_LazyMan.prototype.next = function() { | |
var fn = this.tasks.shift(); | |
fn && fn(); | |
} | |
_LazyMan.prototype.eat = function(name) { | |
var self = this; | |
var fn =(function(name){ | |
return function(){ | |
console.log("Eat " + name + "~"); | |
self.next() | |
} | |
})(name); | |
this.tasks.push(fn); | |
return this; // 实现链式调用 | |
} | |
_LazyMan.prototype.sleep = function(time) { | |
var self = this; | |
var fn = (function(time){ | |
return function() { | |
setTimeout(function(){ | |
console.log("Wake up after " + time + "s!"); | |
self.next(); | |
}, time * 1000); | |
} | |
})(time); | |
this.tasks.push(fn); | |
return this; | |
} | |
_LazyMan.prototype.sleepFirst = function(time) { | |
var self = this; | |
var fn = (function(time) { | |
return function() { | |
setTimeout(function() { | |
console.log("Wake up after " + time + "s!"); | |
self.next(); | |
}, time * 1000); | |
} | |
})(time); | |
this.tasks.unshift(fn); | |
return this; | |
} | |
/* 封装 */ | |
function LazyMan(name){ | |
return new _LazyMan(name); | |
} |
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